Tribological Characteristics of Surface Treatment for Piston Pin

Joon Ho Seo; Jin Yong Kim; Seung Uk Park; Hyun Chul Kim; Byung Chul Na; Dae Soon Lim

doi:10.4028/www.scientific.net/AMR.79-82.2199

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 79-82Tribological Characteristics of Surface Treatment...

Tribological Characteristics of Surface Treatment for Piston Pin

Abstract:

The piston pin contact in a typical automotive engine is an example of a highly loaded. Therefore, for piston pin design several aspects are important. Among them are function, cost, NVH, fuel economy, durability, and impact on other design aspects of the engine. Continuously contacting with piston pin, the face of connecting rod, brings about abnormal wear such as unfairwear or earlywear. because the engine get more powered and one requirement for a good fuel economy is to achieve a low level of mechanical friction. In this study, modern low friction coatings and treatment at the piston pin interface aimed to investigate the potential. The profile of coated specimens were observed by non-contact type optical surface measuring system and the friction-wear behaviors of coated specimens were investigated by using piston pin wear tester. Piston pin wear test was performed to analyze the friction and wear behavior. The results showed that the application of low friction coatings and treatment effectively improved tribological performance of the piston pin

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Periodical:

Advanced Materials Research (Volumes 79-82)

Pages:

2199-2202

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.79-82.2199

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Online since:

August 2009

Authors:

Joon Ho Seo, Jin Yong Kim, Seung Uk Park, Hyun Chul Kim, Byung Chul Na, Dae Soon Lim

Keywords:

Friction Coefficient (FC), Friction Torque, Piston PiN, Wear

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References

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